Ball Engineer II Rainbow - NM2028C-L28CJ-BK Calfskin white galvanized guilloche dial with

white galvanized guilloche dial with openwork grid

Automatic caliber BALL RR1501-C

co-axial escapement for greater precision stability and durability

stop-seconds for precise time setting

unidirectional rotating bezel with blue covering the first 15 minutes of the diving scale and Liquidmetal on the remainder

Ball Engineer II Rainbow - NM2028C-L28CJ-BK Calfskin white galvanized guilloche dial withFEATURES Movement _ Automatic caliber BALL RR1103 C _ Chronometer certified COSC Functions _ 15 multi colored micro gas tubes on hour, minute, second hands and dial for night reading capability _ Hours, minutes, sweep seconds and magnified date Shock resistance _ 5,000Gs Water resistance _ 100m 330ft Antimagnetic _ 4,800A m Case _ Titanium with TiC Titanium carbide coating _ 43mm, height 12. 35mm _ Anti reflective sapphire crystal _ Screwed in crown